Grant Lake Limestone (KY*,OH*)
Grant Lake Member of Ashlock Formation (KY*)
Grant Lake Formation (OH*)
Grant Lake Limestone of Cincinnati group (informal) (OH)
(Cincinnati group considered informal by the OH Geol. Survey. The rank or lithologic term should not be capitalized.)
Tate Member (KY*). Bellevue Member (OH*,KY*). Corryville Member (OH*). Mount Auburn Member (OH*). Straight Creek Member (OH).
Type section: roadcuts along KY Highway 1129 about 4 mi north-northwest of Orangeburg, Mason Co., KY (Peck, 1966).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).